The Mad Men cast has been Rick Rolled. Sort of.
In a hilarious new video making its way around the Web, Jon Hamm and company perform Rick Astley's 1987 smash "Never Gonna Give You Up" by dancing around and taking turns uttering words that add up to the lyrics of this classic tune.
It's a fun technique we've seen many times before, including with Barack Obama and Justin Bieber.
Watch and enjoy now: